Home / 7,291.38-10,880.17-6,505.97

Finding the Fourth Proportional to 7,291.38, 10,880.17 and 6,505.97

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Solution

The fourth proportional to 7,291.38, 10,880.17 and 6,505.97 is: 9,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.38 : 10,880.17 = 6,505.97 : x
  2. Step 2: Convert to fraction form
    7,291.38/10,880.17 = 6,505.97/x
  3. Step 3: Cross multiply
    7,291.38x = 10,880.17 × 6,505.97
  4. Step 4: Simplify right side
    7,291.38x = 70,786,059.61
  5. Step 5: Solve for x
    x = 70,786,059.61/7,291.38
  6. Step 6: Final answer
    x = 9,708.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.